hi
i have a m201 and i change the motor of y for the extruder motor model NEMA 42hsc8402-15b11. this is a geeetech original motor. this motor came with m201. what i need to change on my gt2560 A+ firmware to works? because i test stepper 83, 80 but not work very well the layer not stay aligned. i use driver A5998
thank's